RJ45 8 PIN STANDARD JACK: Splits the original embedded Ethernet cable (8 pins) into two groups, supporting 2 inputs and 1 output or 1 input and 2 outputs. No power supply or other electronic switches needed, allowing free switching between intranet and external network. HIGH TRANSMISSION SPEED: The network switch can split a single Ethernet cable into two outputs, and the signal transmission of the two cables will not interfere with each other. Total input supports up to 1000 Mbps for 2 in 1 out or 1 in 2 out. EXPANDED NETWORK ADAPTER: The RJ45 splitter selector can be used as an expansion connector without affecting internet speed. Enjoy your internet surfing. Meets Cat 5, Cat 5e, Cat 6, and Cat 7 performance requirements. SAFE AND STABLE: The 2-port Gigabit switch is made of environmentally friendly plastic and features a built-in thick PCB motherboard to ensure safe signal transmission. Shielded from disruptive electromagnetism to prevent loss or damage of network signals. COMPACT AND EXQUISITE: The 2-port Gigabit network switch is small and compact, making it easy to extend your PoE layout even over long distances.